Separable button



.June y9, 1925.

P. J. BELLAVANCE SEPARABLE BUTTON 4 fr www.

Patented .inne i9 .5.

Pa-reni" PAULSL BELLAVKNCE, OF -A'LTLEBORQ MIAS'SLUHUSETTS, ASSIGNOR- 0E @NE-HALF -TO 'JQSEBH F. GALLAN 9F YJJlT LEBRL MASSACHUSETTS.

.SEEARAIBLE BUTTON.

Application led March 57 A1925. Serial No. 13,207.

having cooperating male and `female .inembers having means thereon toloek saidrmembers on insertion of the stem of the .male member within the socketl of the female member thereof and means `operable on furthervpressing together and releasing the said membersto release said looking means to permit separation of said members. So far as I am aware, noone has heretofore provided a separablebutton which will release the looking l.means thereof on further ill) pressing together and .releasing the eoacting male and female members.V The main objects of vmy invention is to provide a separablebutton of this type.

A further object of .my invention is to provide a separable .buttonwhich may be unlocked and looked bythemere operation of pressing and pulling on the bases of thecooperating `male and female members thereof. Where my invention is employed as a separable cuff button, itis obvious, therefore, that to look or lunlock the-.menr bers thereof, it is not necessary to insert thetingers between the cuffs to dirty them.

A. -further kobject of my invention is to provide Va separable button which .can be loe-lied or unlocked in the darli.

A further iobject of my invention is :to provide a separable cuff button having no 4") projecting levers or parts on the members thereof to catch in ortear the cuffs.

A further object of my invent-ion is to provide a separable cuff button having no long longitudinally projecting stem,.making insertion in thecuffs a difficult operation,

A lfurther object of myinvention is to provide a separable cuff button having no nobs or Yprojecting parts -on .the .bases yof the cooperating members thereof to int-erferewith the placing Of-theusual, desirable designs thereon.

These and such other objects of my invention as may hereinafter appear will be best understood from a description of `one ernbodiment thereof, such as ,is illust-rated in the Vaccompanying drawings.

n the drawings, Fig. k1 isa side elevation of a separable cuff button embodying my invention in loclieidposition. l

lliguQ isa .longitudinal*sectional .view of a separable cuff button embodying my invention in looked position, .a portion of the female member being shown in elevation.

yFig. v3 is al Vlongitudinal `sectional view, partly ,shownin elevationfof a separable cuff button employing my invention after the coacting male-and female members thereof have .been further pressedtogether to vstart the functioning of the: means l employ to release the locking means.

Fig. et .is a longitudinal sectional view, partially shown in elevation, ofthe cooperatmg male and female vmembers of a separable .button employing my invention, after the mea-ns I employ to release the loekingmeans thereof'has functioned to release said means topermit .further manual separation ofV said members.

Fig. 5 is a/longitudinal sectional view, partially shown 'in elevation, of the cooperating male and female members of my invention in detached, unlocked position.

Fig. 6 is a cross sectional view taken along the .line 6 6 offFig. 5, showing the pre-v ferred type'of looking spring means I. employ.

-In `the drawings, wherein `like :characters of reference `ilfldicatelike parts throughout, 10 generally represents .a separable cuff button made Ain `accordance `with fmy invention. 12 generally indicates the female member of .my invention and 14 the male member thereof. In the description and claims, I refer to the relative parts 'of said members in they locked position shown in the drawing `with .malemember underneath.

.fl-is stated,.the cooperating maleand female members 12 and .141 fhave means thereon to loclrzvsaidimenrbers together on insertion of the stem of themalemember thereof .within the .socket ofthe female .member and also have tmeans thereon operable on `further pressingtogether and releasing ofsaid meinbers to release said locking means to permit separation of said members. To provide the maleand female members 12 and lil yrespectively, with said respective means, l preferably construct them as follows: The female member 12 comprises the base 16 which may be ornamented in any suitable fashion, if desired, the shank 18, which is preferably hollow, projecting therefrom and terminating in the head 20. The head 20 in my preferredY -embodiment is preferably made in fiat, cylindrical shape, is preferably providedwith a central female socket opening 22, and preferably contains the locking spring 24, non-rotatably mounted therein surrounding the female portion thereof. The hollow head 20 is preferably provided with the washer 26 firmly seated therein having the points 28 struck up therefrom to space the washer 26 from the upper disk 21 of the head 20. Said washer 26 is provided with a sleeve 80 projecting upwards a short distance therefrom provided with diametrically opposed segmental slits 32 on the periphery thereof. The preferred embodiment of spring locking means employed comprises the U-shaped hair-pin spring 24 mounted within said segmental grooves 82. As in similar former constructions, the sides 34 of said U-shaped spring are adapted to expand topermit insertion of the stem of the male member through the female opening 22 and within the hollow shank 18 of the female member, and are adapted to contract to fit within a groove, slits, or other means employed for this purpose on the stem of the male member to retain said members together (F ig. 6). Though I have shown a U-shaped locking spring in my preferred embodiment, it is obvious that any other type of looking means, preferably spring locking means, may be employed suitably mounted in any suitable part of the female member adjacent to the female portion thereof.

The male portion of my invention prefer- -ably comprises the base 40 which may be ornamented in any suitable fashion, if desired, and has the usual rigid stem 42 suitably mounted therein, preferably on the base 40 thereof. In my preferred embodiment, I also preferably rigidly secure the hollow shank section 44 on the base thereof and I mount thereon the head 46, which is also preferably flat and provided with a central opening 47, of appreciably larger diameter than said rigid stem 42, and the sleeve 48 preferably rigidly secured to said flat head portion 50 projecting downwards therefrom and slidable on said hollow shank 44, preferably within. These telescoping members, the rigid shank 44 and the slidable sleeve head section 48 are preferably provided with means thereon to limit the upward movement of the slidable sleeve section 48, in my preferred embodiment this means preferably comprising the outwardly projccting annular lip 52 on the lower end of the slidable shank 48 and inwardly projecting stop lip 54 on the upper end of the rigid shank section 44. The stem 42, which as stated is preferably rigidly mounted on the base 40, extends through said hollow shank and sleeve above said head 50. The portion above said head is preferably enlarged as at 56, the enlargement 56 in my preferred embodiment preferably comprising the cap 56 mounted on the upper end thereof terminating in the annular lower edge 58 which may be beveled, if desired, and also, if desired, offset from said rigid stem as at 60. The stem 42 is provided with a stop 62, a substantial distance below the lower edge 58 of said cap. In my preferred embodiment said stop 62 preferably comprises the lugs 62 struck up from the sides of said stem 42. It is obvious that on insertion of the stem of the male member the sides 84 of the locking Ispring 24 may register below the enlarged head 56 of the rigid stem 42 to secure the cooperating male and female members 12 and 14 together.

I will now describe the specific means I employ to release said lockingvmeans 24 from the stem of the male member to permit separation of said members. In my preferred embodiment said means preferably comprises a slidable sleeve 64 loosely mounted on the stem 42 between said cap 56 and stop 62. In my preferred embodiment said slidable sleeve is also preferably provided with an annular ridge 66 projecting substantially centrally from the periphery thereof. As will be apparent later, particularly if the locking spring means 24 is of a substantial strength, said ridge 66 may be omitted. To cooperate with said slidable sleeve 64, as a means to release the locking means 24, I preferably also provide the ejection spring 68, in my preferred embodiment said ejection spring 68 preferably comprising the helical spring 68 having the base thereof abutting the ba'se 40 of said male member and the top thereof abutting the lower edge 70 of the slidable head sleeve 48. Though said ejection spring is a highly desirable feature of my invention, it may be omitted, as a strong spring 24 alone will raise up the slidable sleeve 64 to close the groove 72, normally formed between the lower edge 58 of the enlarged portion 56 of the stem 42 and the annular ridge 66 on the slidable sleeve or upper edge of said sleeve if said ridge 66 is omitted, as the members are pulled apart.

The operation of my invention is obvious from the above description. To detachably secure or lock the cooperating male and female members 12 and "i4 of my invention together, it is obvious that on insertion of the stem 42 of the male member within the female portion22 and hollow shank 18 of the female member., the sides 84 of the locking spring 24 will expand to permit the insertion of the enlarged head 56 of said and .the upper end of :the slidablefsleeve16.4:A

or uppeinedgeofzthe annular-.ridgea66ithereon .where .said .annularridge .66 1s i employed,

therebyilocking said male'and emaleimembers together. As rthe -stem is inserted slowly :into the female v1: ortio n.22, it is obvious that :the .contacting .sides '3:4 of the vlocking spring Q4: will push the slidable sleeve llefdownwards on the stem 42430 form the lgroove 72. s-shownin Eig-i2, it is .0bviouslthat lin :this lockingv operation 1 the slidable sleeve .48 of the he-ad i6-ot' thermale member will tbe-slightly depressed against the pressure. of'tliexejeetion spring 68, thereby A.requiring .a slight .pressure between fthe bases :of the said members to .look them. In this position, however, the' pressure of the spring 68 tending to push 'up the .slidable head a6 fot the male .member :le and adjacent 'temalemember 12, .willicausethesides 34 ott-heilocking spring 2.4 inthe groove 7.2 to firmly bind :.againstlt-he lower edgefof the enlargeddiead 56 ltoiirmly vsecure said I members together. It sis robviouszthat,when

Ain vthi s locked yposition :the .sleeve .6;4 ywill :re-

main in lowerediposition. f

T .unlock said members =t`urtherpress1the bases 16 and .40 .of `said :members together between :the 'tingers, .and the .parts Awill take the position shown .in :Fig the .ejection spring 681being Afully compressed and the slidable sleeve 48 sliding down to its .lowest position vwithin the hollow shank-:44 .of vthe male member. vDuring this compression-of said imembei's, :it is zobvious ithat-'the vlower edge of the s'lidable sleeve 6.4 will abutit'he top 62,011 the rigid `steinl2,\thus limiting thedownward movenienteffsaid sleeve. ils the -head Q() of .the `female member andattached spring 24: -areio-rced downward'in this operation, `:it liis obvious that 4the .sides el-inf the locking spring :will sbe forced downwards outot' the 4groove .72 .and Lover the annular ridge V66 onithe slidable sleeve 64 where employed, or down x'to impinge upon-the periphery of the slidable .sleevertifl` where not employed, vas shown :in Fig. 3. When pressure is then taken olf the .bases 1.6 and :40 ot' said=cooperating members,'it is obviousthat the ejection spring 68 .will

force the vslide-.ble sleeve '48 ot the '.head otV the Lmale member, :and the 'head 2O lof .the female member upwards, the `head .of-the female .member carrying .with it :the loci;- iug spring Q4. The.oompressingfsides 34er the lockingspring lyingunderneatlrthe annular Aridge 66 on theslidable sleeve '64, .or impinging 4upon said 4sleeve 6'4- will carry said sleeve upwardsEuntil-the'upper edge of saidannular ridge =66 or :the uppenedgeof said slidableisleeve 6.4: wheresaid ridge 66 is :not employed abritent-h@ lower edge 58 of the enlarged ,head y'por-tion '5.6 osaidstem e.,zthereby .completely Closing .up-the groove 72. .On zfuiztherupwardpressure. otsaid ej eetionspring .68, the slidablessleeve 64 being nowilimit-ed in its upward movement,it is obvious that thersdesfl ofthe hairpin spring 24 Wiil slide over the annular ridge66-and onto Vthe peripheiy of `the'enlarged upper portion '56 of said rigid stem 42, thereby re? leasing-the iinloelringnieaiis and permitting said ymembers to be .further separatedV by hand asishown -in Fig. a. Fig. 4t, therefore, represents an instantaneous view taken 'beorethe forceot'I-gravity'has-had a chance to aet.on A*the slidable sleeve `64e to .refopenthe groove 72. .Fig. 5 -representsa view-ofthe cooperating male. and Vfemale imembers .after they are completely unlocked and detached fromfeach other. Wherethe ejection-spring 6S.is.oinitted, it isobviousthat my invention Will function Lin itsdin-locling:features insinuilar ashio-n .aft-er said members Vlare manually pulled quickly apart.

Though luy-invention is shownas Aspecite-allyappliedto aseparable cuff buttomitis obviousthat it may function with other types of separable buttons vand is especially useful in` separable button-s. employed .for ,attaching the side curtains vof automobiles. It is obvious that .theshanlrs :may be round as shown, square, vor ,ot any .suitableshape It .is obvious that` Ihaveprovided a construction whieh will function .to lock said members on mere insertion .ot' the stem el' the fmt-ale member ywithin the :socket of the female member anda construction .which is adapted vto permitiseparation ot lsaid mem.u bers by a mere further pressing .together thereof and .the releasing .thereofwith .the attendant advantagesset forth in .theintroduction .to this application. y

Itis understood that .my invention is .not limited :to -speciic embodiment shown and that various deviations maybe made .therefrom without departing 'from the Yspirit and scope ot the appending claims. 1

hat I claim as new anddesireto secure by Letters `Patent is:

l. A selliarable button, comprising a pair of -male and female coacting members, the female member comprising a base, ay hollow shank and-aflat head having. a. central socket opening and: a U-shaped-loclting spring member non-rotatably contained therein,.and the male :member comprising a base, a hollow shank, a flat head having al central opening and an Vintegra-l annular sleeve projecting downwards therefrom slidable within said shank having means thereon vadapted to abut-a stop on said shank to limit its upward movement, a stein mounted on said base extending through said shank and liao sleeve above said head having a cap mounted thereon terminating in an annular lower edge oiiset from said stein and a stop on the periphery thereof below said cap, an ejection spring extending between said base and the lower edge of the head sleeve and a sleeve slidable on said stem between said cap and stop having an annular ridge projecting substantially cent-rally from the periphery thereof, whereby on insertion of said female member on said male member and pressing said members together the sides of the U-shaned locking spring may register within the groove formed on said stem between the lower cap edge and upper edge of the annular ridge on the slidable sleeve to retain said members together, on further pressing together of said members and consequent depression of said ejection spring, the sides of the U-shaped locking spring may ride over the annular ridge on the slidable stem to impinge upon the lower periphery of said stem sleeve, on release of pressure said ejection spring may cause the gripping sides of theY U-shaped locking spring to carry said slidable stem sleeve ug# wards to close said groove, and on further pressure of said ejection spring the sides of said U-shaped locking spring may slide over said annular sleeve ridge and closed groove to abut the periphery of the cap stem to release said members.

2. A separable button, comprising a pair of male and female coacting members, the female member comprising a base, a. hollow shank and a flat head having al `central,

socket opening and a U-shaped locking spring member non-rotatably contained therein, and the male member comprising a base, a hollow shank, a flat head having a Central opening and an integral annular sleeve projecting downwards therefrom slidable within said shank having means thereon adapted to abut a stop on said shank to limit its upward movement, a stem mounted on said base extending through said shank and sleeve above said head having al cap mounted thereon terminating in an annular lower edge offset from said stem and a stop on the periphery thereof below said cap, an ejection spring extending between said base and the lower edge of the head sleeve and a sleeve slidable `on said stem between said cap and stop having an annular ridge projecting substantiallj7 Centrally from the periphery thereof.

3. A separable button, comprising a pair of male and female coacting members, the female member comprising a base, a hollow shank and a head having a central socket opening and a U-shaped locking spring member non-rotatably contained therein, and the male member comprising a base, a hollow shank, a. head having a central opening and all annular sleeve projecting downwards therefrom slidable on said shank, a

stem mounted on said shank extending above said head having a cap mounted thereon terminating in an annular lower edge and a stop on the periphery thereof below said cap, an ejection spring abutting t-he lower edge of the head sleeve and a sleeve slidable on said stem between said cap and stop, whereby on insertion of said female member on said male member and pressing said members together the sides of the U-shaped locking spring may register within the groove formed on said stem between the lower cap edge and upper edge of the slidable sleeve to retain said members together, on further pressing together of said members and consequent depression of said ejection spring, the sides of the U-shaped locking spring may impinge upon the lower periph# ery of said stem sleeve, on release of pressure said ejection spring may cause the gripping sides of the U-shaped locking spring to carry`said slidable stem sleeve upwards to close said groove, and on further pressure of said ejection spring the sides of said U-shaped locking spring may slide over said closed groove to abut the periphery of the cap stem to release said members.

4l. A separable button, comprising va pair of male and female coacting members, the female member comprising a base, a hollow shank and a head having a centra-l socket opening and a U-shaped locking spring member non-rotatably contained therein, and the male member comprising a base, a hollow shank, a head having a central opening and an annular sleeve projecting downwards therefrom slidable on said shank, a stem mounted on said shank extending above said head having a cap mounted thereon terminating in an annular lower edge and a stop on the periphery thereof below said cap, an ejection spring abutting the lower edge of the head sleeve and a sleeve slidable on said stem between said cap and stop.

5. A separable button, comprising a pair of male and female coacting` members, the female member comprising a base, a hollow shank and a fiat head having a central socket opening and a locking spring member non-rotatably contained therein, and the male member comprising a base, a hollow shank, a fiat head having a. central opening and an integral annular sleeve projecting downwards therefrom slidable within said shank having means thereon adapted to abut a stop on said shank to limit its upward movement, a stem mounted on said base extending through said shank and sleeve above said head having a cap mounted thereo-n terminating in an annular lower edge offset from said stem and a stop on the periphery thereof below said cap, an ejection spring extending between said base and the lower edge of the head Sleeve, and

lli)

a sleeve slidable on said stem between said cap and stop havingan annular ridge prof jecting substantially centrally from the periphery thereof, whereby on insertion of said female member on said male member and pressing said members together the locking spring may register within the groove formed on said stem between the lower cap edge and upper edge of the annular ridge on the slidable sleeve to retain said members together,on further pressing together of said members and consequent depression of said ejection spring, the locking spring may ride over the annular ridge on the slidable stem to impinge the lower periphery of said stem sleeve, on release of pressure said ejection spring may cause the locking spring to carry said slidable stem sleeve upwards to close said groove, and on further pressure of said ejection spring the locking spring may slide over said annular sleeve ridge and closed groove to abut the periphery of the cap stem to r-elease said members. j 6. A separable button, comprising a pai of malel and female. coaeting members, the female member comprising a base, a hollow shank and a flat head having a central socket opening and a locking spring member non-rotatably contained thereimand the mal-e member comprisingk a base, al hollow shank, a dat head having a central opening and an integral annular sleeve projecting downwards therefrom slidable within said shank having means thereon adapted to abut a stop on said shank to limit its upward movement, a stem'- mounted on said base extending through said shank and sleeve above said head having a cap mounted thereon terminating in an annular lower edge offset from said stem and av stop on the periphery7 thereof below saidcap, an ejection spring extending between said base and the lower edge of the head sleeve and a sleeve slidable on said stem between said cap and stop having an annular ridge pro-- jecting substantially centrally from the periphery thereof. i

y'fr'. A separable button, comprising a pair of male and female coacting members,'the female member comprising a base.a hollow shank and a head having a central socket opening and a locking springmember non-rotatably contained therein, and the male member comprising a base, a hollow shank, a head having a central opening and an annular sleeve projecting downwards therefrom slidable on said shank, a. 'stem mounted on said shank extending abovel said head having a cap mounted thereon terminating'in an annular lower edge and a stop y on the periphery thereof below said cap, an

ejection spring abutting the lower edge of the head sleeve and a sleeve lslidable on said stem between said cap and stop, whereby on insertion of said female member on said male member and pressing said members to-y gether the locking spring may register within the groove formed on said stem between the lower cap edge and upper edge of the slidable sleeve to retain said members together, on further pressing together of said members and consequent depression of said ejec tion spring, the locking spring may impinge upon the lower periphery of said stem sleeve, on release of pressure said ejection spring may` cause the locking spring to carry said slidable stem sleeve upwards to close said groove, and on further pressure of said ejection spring said locking spring may slide over said closed groove to abut the periphery of the cap stem to release said members. v 8.*A separable button, comprising a pair of male and 'female coacting members, the female member comprising a base, a hollow shank and a head having a central socket opening and a locking spring member nonrotatably contained therein, and the male member comprising a base, a hollow shank, a head having a central opening and an annular sleeve projecting downwards Vtherefrom slidable on said shank, a stem mounted on said shank extending above said head having a cap mounted thereon terminating in an annular lower edge and a stop on the periphery thereof below said cap,ranejec tion spring abutting the lower edge of'the head sleeve and a sleeve slidable on said stem between said cap and stop.

9. A separable butt-on, comprising a pair of male and female coaeting members, the female member comprising a base, a hollow shankl and a head having a central socket opening and a U-shaped locking spring member non-rotatably ycontained therein, an'd the male member comprising a base, a hollow shank, a head 'having a central opening and an annular sleeve projecting downwards therefrom slidable on said shank, a stem mounted on said shank extending above said head having a cap mounted thereon terminating in an annularr lower edge and a stop on the periphery thereof below said cap, and a sleeve slidable on said stem between said rcap and stop.

10. A separable button, comprising apair of m'alecand female coacting members, the female member comprising a base, a hollow shank and a head having a central socket opening and a locking spring member nonrotatably contained therein, and vthe male lmember comprising a base, a hollow shank,

a head having a central opening and an annular sleeve projecting downwards therefrom slidable on said shank, a stem mounted on said shank extending above said head having' a cap mounted thereon terminating in an annular lower edge and a stop on the periphery thereof below said cap, and a sleeve slidable on said stem between saidV cap and step.

l1". A se'parablenbutton, comprising tivo cooperating male and Vfemale members, having means thereon to lock saidl members on insertion of the stem of the male member within the socket of the female memberran-fl means thereon operable on pressing together and releasing of said members in a tue axial line to release said locking means to permit separation thereof. i

l2. A separable fastener,.comprising two cooperating male and female members, the female member having means adjacent to the female portion thereof to lock the stem of the male member therein on insertion thereof, and the male member havingV means mounted thereon operable to release said locking means in the female member, to permit separation thereof' on pressing together Yin a true axial line and releasing of Vsaid members.

13. A separable fastener, comprising two cooperating` male and female members, the female member having spring locking means adjacent to' theV female portion thereof adapted to register in a groove in the stem of the male memberI on insertion thereof to lock said members together, and the male member. having slidable means mounted on. the stem thereof, adapted to close said groove topermit separation of said members on pressing; together thereof, and an ejection spring mounted therein to assist inv retaining said members together and in the separation thereof;

y 14..A separable fastener, comprising. two cooperating. male/and female members, the female member having spring locking means adjacent to the female port-ion there-- of adapted to register in a groove in the stem of the male member on insertionthcrcof to lock said membersV together, and the male member having' slidable means mounted on the stem thereof, adapted to close sai-d groove to permit separation of said members onpressing together thereof.

l5. A separable fastener', comprising two cooperating male and female members, the female member having spring locking means adj acentnto the female portion thereof adapted to register in a groove in the stem of the male member on insertion thereiof to lock said members together and stem of the male member on insertion thereof to look said members together, and the male member having slidable means mounted on the stem thereof, adapted to close said' groove to permit separation of said members on pressing together thereof, saidy button being provided with telescoping portions to permit relative pressing together ofy the members thereof. Y

f171A' separable button, comprising a pair of male and female reacting. members, the female member having a base at one end thereof, and a socket` opening atthe'oppos'ite end thereof, and springlocking means adjacent said socket opening, the male member having a base at one end thereof, a rigid stem projecting therefrom having an enlarged head and telescoping sections' surrounding said stem terminating'Y in ahead section below said stem head, an expulsion spring abutting said base and telescoping head section and a sleeve slidable on said stem limited in its downward movement andY in its upward movement by said enlargedy stem head.

18. A separable button, comprising a pair of' male and female coactingmembers', the female member havinga base at one end thereof, anda socket openingat the opposite end thereof, and spring locking means adjacent said socket' opening, the male member having a base at one end thereof, arigid Ystem projecting therefrom having an enlarged head and telescoping sections surrounding said stem terminating in a head section below saidr stem head and a sleeve slidable on said stem limited in, its downward movement and in its upwardY movement by said enlarged stem head.

19. A separable button, comprising a pair ofl male and female coacting members,vthe female member having a base at one end thereof, and a socket opening at the opposite end thereof, and spring locking means adjacent said socket opening, the male member having a base at one end thereof, a rigid stem projecting therefromV having an enlarged head and telescoping sections surrounding said stem terminating ina head section below said stem head, an expulsion spring abutting said base and telescoping head section and a sleeve slidable ony said stem limitedin its downward movement and in its upward movement by said enlarged stemhead having an-annular ridge projecting therefrom substantiallj7 centrally ofthe periphery thereof.

2t). A separable button, comprising a pair of male and female coactingmembers, the female member having a base at one end thereof, and a socket opening at'the opposite spring locking lil UCI

end thereof, and spring locking means adjacent said socket opening, the male member having' a base at one end thereof, a rigid stem projecting therefrom having an enlarged head and telescoping sections surrounding said stem terminating in a head section below said stem h ad and a sleeve slidable on said stem limited in its downward movement and in its upward movement by said enlarged stein head, having an annular ridge projecting therefrom substantially centrally of the periphery thereof.

2l. A separable button having a member, having a base, a rigid shank section mounted thereon, and a relatively telescoping head section slidably mounted on said rigid shank section.

22. A separable button having a member, having a base, a rigid shank section mounted thereon, a relatively telescoping head section slidably mounted on said rigid shank section and an ejection spring abutting the base and the lower edge of said slidable telescoping head section.

23. A separable button having a member,

having a base, a rigidhollow shank section mounted thereon, a relatively telescoping hollow head section slidably mounted on said rigid shank section, an ejection spring abutting the base and the lower edge of said slidable telescoping head section and a rigid stem projecting from the base thereof above said head section. I

24. A separable button having a member, having a base, a rigid hollow shank section mounted thereon, a relatively telescoping hollow head section slidably mounted on said rigid shank section, an ejection spring abutting the base, and the lower edge of said slidable telescoping head section, a rigid stem projecting from the base thereof above said head section having an enlargedvhead and a sleeve slidable on said stem limited in its downward movement and in kits upward movement by said. enlarged stem head.

25. A separable button having a member,

having a base, a rigid hollow shank section mounted thereon, a relatively telescoping hollow head section slidably mounted on said rigid shank section, an ejection spring abutting the base and the lower edge of said slidable telescoping head section, a rigid stem projecting from the base thereof above said head section having an enlarged head and a sleeve slidable on said stein limited in its downward movement and in its upward movement by said enlarged stem head and having an annular ridge projecting therefrom substantially centrally yof the periphery thereof.

26. A separable button having a member, having a base, a rigid shank section mountedl thereon, a relatively telescoping head section slidably mounted on said rigid shank section, a rigid stem projecting from the base thereof above said head section having an enlargedhead and a sleeve slidable on said stem limited' in its downward move-A ment and in its upward movement by said enlarged stem head.

27. A separable button having a member,

havingV a base, a hollow shank mountedV thereon, terminating in a head having a centralopening, a rigid stem projecting from the base thereof above said shank head having an enlarged head and a sleeve slidable on said stem limited in its downward movement and in its upward movement by said enlarged stein head.

28. A separable button having a member,

having a base, a hollow shank mounted thereon, terminating in a head having a central opening, a rigid stem projecting from the base thereof above said shank head, having an enlarged head and a sleeve 

